/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package cn.tedu.mall.seckill.config;

import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.BindingBuilder;
import org.springframework.amqp.core.DirectExchange;
import org.springframework.amqp.core.Queue;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * 生成必要的rabbtimq组件
 * 1个交换机
 * 1个队列
 * 1个路由key值
 */
@Configuration
public class RabbitMqComponentConfiguration {
    public static final String SECKILL_EX = "seckill_ex";
    public static final String SECKILL_QUEUE = "seckill_queue";
    public static final String SECKILL_RK = "seckill_routing_key";

    @Bean
    public Queue seckillQueue() {
        return new Queue(SECKILL_QUEUE);
    }

    @Bean
    public DirectExchange seckillExchange() {
        return new DirectExchange(SECKILL_EX);
    }

    @Bean
    public Binding seckillBinding() {
        return BindingBuilder.bind(seckillQueue()).to(seckillExchange()).with(SECKILL_RK);
    }
}
